ContentController.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪ExtbaseTeam\BlogExample\Controller;
 
use Psr\Http\Message\ResponseInterface;
use ‪TYPO3\CMS\Extbase\Domain\Model\FileReference;
use ‪TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use ‪TYPO3\CMS\Extbase\Mvc\RequestInterface;
use ‪TYPO3\CMS\Extbase\Mvc\View\JsonView;
use ‪TYPO3\CMS\Extbase\Property\Exception;
use ‪TYPO3\CMS\Extbase\Reflection\ObjectAccess;
 
class ‪ContentController extends ‪ActionController
{
    private ‪$contentRepository;
 
    protected ‪$defaultViewObjectName = JsonView::class;
 
    private ‪$dataMapFactory;
 
    public function ‪__construct(
        \‪ExtbaseTeam\BlogExample\Domain\Repository\TtContentRepository ‪$contentRepository,
        \‪TYPO3\CMS\‪Extbase\Persistence\Generic\Mapper\DataMapFactory ‪$dataMapFactory
    ) {
        $this->contentRepository = ‪$contentRepository;
        $this->dataMapFactory = ‪$dataMapFactory;
    }
 
    public function ‪listAction(): ResponseInterface
    {
        $content = $this->contentRepository->findAll();
        $value = [];
        $value[$this->‪getRuntimeIdentifier()] = $this->‪getStructure($content);
        // this is required so we don't try to json_encode content of the image
        $this->view->setConfiguration(['value' => [
            '_descendAll' => [
                '_descendAll' => [
                    '_descendAll' => [
                        '_descendAll' => [
                            '_descendAll' => [
                                '_exclude' => ['contents'],
                            ],
                        ],
                    ],
                ],
            ],
        ]]);
        $this->view->assign('value', $value);
 
        return $this->‪jsonResponse();
    }
 
    public function ‪processRequest(‪RequestInterface ‪$request): ResponseInterface
    {
        try {
            return parent::processRequest(‪$request);
        } catch (‪Exception $exception) {
            throw new \RuntimeException(
                $this->‪getRuntimeIdentifier() . ': ' . $exception->getMessage() . ' (' . $exception->getCode() . ')',
                1476122223
            );
        }
    }
 
    protected function ‪getStructure($iterator): array
    {
        $structure = [];
 
        if (!$iterator instanceof \Iterator) {
            $iterator = [$iterator];
        }
 
        foreach ($iterator as $entity) {
            $dataMap = $this->dataMapFactory->buildDataMap(get_class($entity));
            $tableName = $dataMap->getTableName();
            $identifier = $tableName . ':' . $entity->getUid();
            $properties = ‪ObjectAccess::getGettableProperties($entity);
 
            $structureItem = [];
            foreach ($properties as $propertyName => $propertyValue) {
                $columnMap = $dataMap->getColumnMap($propertyName);
                if ($columnMap !== null) {
                    $propertyName = $columnMap->getColumnName();
                }
                if ($propertyValue instanceof \Iterator) {
                    $structureItem[$propertyName] = $this->‪getStructure($propertyValue);
                } else {
                    $structureItem[$propertyName] = $propertyValue;
                }
            }
            //let's flatten the structure and put file reference properties level up, so we can use StructureHasRecordConstraint
            if ($entity instanceof ‪FileReference
                && isset($structureItem['originalResource'])
                && $structureItem['originalResource'] instanceof \‪TYPO3\CMS\Core\Resource\‪FileReference
            ) {
                $structureItem = $structureItem['originalResource']->getProperties();
            }
            $structure[$identifier] = $structureItem;
        }
 
        return $structure;
    }
 
    protected function ‪getRuntimeIdentifier(): string
    {
        ‪$arguments = [];
        foreach ($this->request->getArguments() as $argumentName => $argumentValue) {
            ‪$arguments[] = $argumentName . '=' . $argumentValue;
        }
        return $this->request->getControllerActionName() . '(' . implode(', ', ‪$arguments) . ')';
    }
}